tinba | bdff248efc520adc6fbd69e8fd6967620616c9c2051f9fcc46927fad462832a3

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 20:02

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General

Target

JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe
Size

160KB
MD5

37bc004f52318721cf93c6f274a63ccc
SHA1

a0e38521c500ee0248c77257533f2fb98a4a328d
SHA256

bdff248efc520adc6fbd69e8fd6967620616c9c2051f9fcc46927fad462832a3
SHA512

4be02bf7fd88dec6108be81b3f7bea79cf49c4a00058b651002d520f6749d8c61a26d628752db11cf837d97e3cf652731eb7661673e61bc37c62d7900dfbcedb
SSDEEP

1536:wEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:jY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\7899D8DF = "C:\\Users\\Admin\\AppData\\Roaming\\7899D8DF\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1696-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2088	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2088	1696	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	32
PID 1696 wrote to memory of 2088	1696	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	32
PID 1696 wrote to memory of 2088	1696	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	32
PID 1696 wrote to memory of 2088	1696	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	32
PID 1696 wrote to memory of 2088	1696	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	32
PID 2088 wrote to memory of 1220	2088	winver.exe	21
PID 2088 wrote to memory of 1100	2088	winver.exe	19
PID 2088 wrote to memory of 1172	2088	winver.exe	20
PID 2088 wrote to memory of 1220	2088	winver.exe	21
PID 2088 wrote to memory of 632	2088	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-28-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-25-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-29-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1100-26-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1172-36-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1220-23-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-32-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1696-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1696-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1696-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1696-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1696-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2088-11-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/2088-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2088-7-0x00000000775A0000-0x00000000775A1000-memory.dmp

Filesize
4KB

Download
memory/2088-8-0x000000007759F000-0x00000000775A0000-memory.dmp

Filesize
4KB

Download
memory/2088-9-0x000000007759F000-0x00000000775A1000-memory.dmp

Filesize
8KB

Download
memory/2088-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download